 | | Journal (article/letter/editorial) | | NOTES ON THE GEOLOGY OF EASTERN GUATEMALA AND NORTHWESTERN SPANISH HONDURAS' SIDNEY POWERS Troy, N.Y...INTRODUCTION GENERALGEOLOGY GEOLOGY Spanish Honduras Guatemala British Honduras RECENT CHANGESOF LEVEL TECTONICS...ILLUSTRATIONS FIG. i.-Tectonic lines in Honduras and Guatemala, modified from Sapper (Eighth International Geographical...map of Guatemala, showing the long Polochie-Lake FIG. 3.-Relief Izabal Valley on the north, Motagua Valley...Puerto Barrios, on the Atlantic, up the Motagua Valley, past Guatemala City in the high plateaus to San Jose |  | Ortega-Gutiérrez, Fernando, Solari, Luigi A., Ortega-Obregón, Carlos, Elías-Herrera, Mariano, Martens, Uwe, Morán-Icál, Sergio, Chiquín, Mauricio, Keppie, John Duncan, De León, Rafael Torres, Schaaf, Peter (2007) The Maya-Chortís Boundary: A Tectonostratigraphic Approach. International Geology Review, 49 (11) 996-1024 doi:10.2747/0020-6814.49.11.996 | Journal (article/letter/editorial) | | Torres De León & Peter Schaaf a d Instituto de Geología, Universidad Nacional Autónoma de México ...Universidad de San Carlos, Cobán, Guatemala d Instituto de Geofisica, Universidad Nacional Autónoma de México...Mauricio Chiquín , John Duncan Keppie , Rafael Torres De León & Peter Schaaf (2007) The Maya-Chortís Boundary:...MARIANO ELÍAS-HERRERA, Instituto de Geología, Universidad Nacional Autónoma de México, Cd. Universitaria, Mexico...Universidad de San Carlos, Cobán, Guatemala JOHN DUNCAN KEPPIE, RAFAEL TORRES DE LEÓN, Instituto de Geología |  | | Journal (article/letter/editorial) | | Evidence from jadeitite and related rocks from the Guatemala Suture Zone George E. Harlow, Kennet E. Flores...Evidence from jadeitite and related rocks from the Guatemala Suture Zone, LITHOS (2016), doi: 10.1016/j.lithos...Evidence from jadeitite and related rocks from the Guatemala Suture Zone Department of Earth and Planetary...analyses of jadeitites and related rocks from Guatemala compared with published data on comparable rocks...rocks from other sources. • In jadeitites from Guatemala, signatures of many trace elements resemble those |  | | Report (issue) | | a component of Association: zeolites. Albite, quartz, muscovite, omphacite, glaucophane, calcite, aragonite...Co. At Manzanal, in the Motagua Valley, near the Sierra de las Minas, Guatemala. Name: From jade, a material...containing jadeite, in turn from the Spanish Piedra de yjada, or colic stone, for its supposedly curative |  | | Report (chapter) | | Nazca, Cocos and Americas plates. The northern (Guatemala and Greater Antilles) and southern (northern Venezuela)...Verapaz; SSC, Sierra Santa Cruz; JPZ, Juan de Paz; NM, North Motagua; SM, South Motagua (Guatemala); BH, Bahamas;...Mabujna; ET, Escambray; MB, Mayarı̀– Baracoa; SRM, Sierra Maestra (Cuba); NC Northern Cordillera; LC, Loma...Cordillera; HA, Dumisseau and Massif de la Hotte (Hispaniola); SB, Sierra Bermeja (Puerto Rico). Southern...Costera; TT, Caucagua–El Tinaco; LH, Loma de Hierro; VC, Villa de Cura; DH, Dos Hermanas; PI, Piemontine |  | | Journal (article/letter/editorial) | | evidence from a jadeitite-serpentinite contact, Guatemala 1938-2839 Geology Review, 0020-6814 TIGR International...contacts are generally not exposed. In the Sierra de las Minas, Guatemala, we have studied a 3 m-wide pit transecting...Burma, Russia, Kazakhstan, Japan, California, Guatemala, and the Cyclades (Bröcker and Enders, 2001; Compagnoni...in 1998, when Hurricane Mitch roared through Guatemala at a heavy cost to life and property. Mitch’s...in the rugged mountains of central Guatemala, around the Motagua Fault Zone (Bucknam et al. 2001). This |  | Brueckner, Hannes K., Avé Lallemant, Hans G., Sisson, Virginia B., Harlow, George E., Hemming, Sidney R., Martens, Uwe, Tsujimori, Tatsuki, Sorensen, Sorena S. (2009) Metamorphic reworking of a high pressure–low temperature mélange along the Motagua fault, Guatemala: A record of Neocomian and Maastrichtian transpressional tectonics. Earth and Planetary Science Letters, 284 (1) 228-235 doi:10.1016/j.epsl.2009.04.032 | Journal (article/letter/editorial) | | pressure–low temperature mélange along the Motagua fault, Guatemala: A record of Neocomian and Maastrichtian...oblique collisional tectonics a b s t r a c t The Guatemala suture zone is a major east–west left-lateral...North American and Caribbean plates in Guatemala. The Motagua fault, the central active strand of the...within serpentinites both north and south of the Motagua fault. Lawsonite eclogites south of the fault are...that all serpentinite hosted eclogites along the Motagua fault formed at essentially the same time in different |  | | Report (issue) | | ————•-——• ———• ———————————————————————————————— 1 Guatemala and Honduras ———————— -———————————— — ————————————...——————————— 49 Cordillera Occident al-Serrania de Baudo ———————————————————— 50 Geophysical surveys...Geologic and simple Bouguer anomaly map of parts of Guatemala and Honduras -——————•—————-———————————————————————————————...——————————————— 9 6 Generalized crustal model across Guatemala ————————————————————— 11 .7 Simple Bouguer...Trough — ——— — 41 25 Crustal sections from Isla de Aves to Calabozo ——————————— 42 26 Crustal models |  | | Journal (article/letter/editorial) | | PETROLEUM POSSIBILITIES OF HONDURAS. 475 broad valley floors,someof which are at considerable elevation...East of the Honduras Depression and south of the Sierra de Pija the surface of the country resemblesthat...the coresof the Sierra de la Grita, the Sierra del Espiritu Santo, and the Sierra de Omoa in the northwest... PETROLEUM POSSIBILITIES OF HONDURAS. 477 Sierra del Palmar, branchesoff from the main crystallinerange...crystallineSierra de la Grita extendsa parallel tangleof Lower Cretaceoussedimentaryrocks, the Sierra de Merend6n |  | | Journal (article/letter/editorial) | | varieties and petrotectonic evolution of the northern Guatemala Suture Complex Uwe Martens, Tatsuki Tsujimori...varieties and petrotectonic evolution of the northern Guatemala Suture Complex, International Geology Review,...varieties and petrotectonic evolution of the northern Guatemala Suture Complex Uwe Martensa,b, Tatsuki Tsujimori...eclogite localities within the Guatemala Suture Complex (GSC) north of the Motagua Fault are presented. The...that is associated with serpentinite of the North Motagua Unit. The Tanilar River locality exposes numerous |  | | Journal (article/letter/editorial) | | albitites and related rocks from the Motagua Fault Zone, Guatemala G . E . HARLOW Department of Mineral...NY 10024-5192, USA ABSTRACT Jadeitites from Guatemala are found as weathered blocks in tectonized serpentinite...serpentinite in a 15-km zone north of the Motagua Fault Zone. Rock types found with jadeitite include...actinolite, zoisite, fchlorite, phengite, K-feldspar and quartz, record conditions of c. 3-8 kbar at T < 400" C...+ Key words: albitite; Guatemala; jadeite; jadeitite; metasomatism; Motagua Fault Zone; Abbreviations: |  | | Report (chapter) | | North American-Caribbean Plate boundary in Mexico-Guatemala-Honduras Lothar Ratschbacher, Leander Franz, Myo...American – Caribbean Plate boundary in Mexico – Guatemala –Honduras LOTHAR RATSCHBACHER1*, LEANDER FRANZ1...the North American –Caribbean Plate boundary in Guatemala and Honduras accommodated the large-scale sinistral...the overriding Greater Antilles arc complex. The Las Ovejas complex of the northern Chortı́s Block contains...part of the Chortı́s Blocks, and the Polochic, Motagua and Jocotán–Chamelecón fault zones along the |  | Skirrow, R.G, Camacho, A, Lyons, P, Pieters, P.E, Sims, J.P, Stuart-Smith, P.G, Miró, R (2000) Metallogeny of the southern Sierras Pampeanas, Argentina: geological, 40Ar–39Ar dating and stable isotope evidence for Devonian Au, Ag–Pb–Zn and W ore formation. Ore Geology Reviews, 17 (1) 39-81 doi:10.1016/s0169-1368(00)00004-4 | Journal (article/letter/editorial) | | mesothermal lode Au Ž"Cu " Ag. in the Sierra de Las Minas and Sierras de Cordoba yields ´ Devonian 40Ar– 39Ar...sulfide–quartz veining in the El Guaico district Ž386 " 4 Ma, sericite., and W-bearing quartz vein mineralization...mineralization in the Aguas de Ramon ´ and El Morro districts which yielded muscovite ages of 366 " 1 and...Ag–Pb–Zn and W ore-forming fluids, calculated from quartz, white mica and chlorite isotope ratios, range...metal mineralization. A large number of Au-bearing quartz vein and Ag–Pb–Zn vein deposits have been mined |  | | Journal (issue) | | source. It is found in Myanmar (Burma), Japan, Guatemala, California, Kazakhstan and Russia. For this reason...Nations people who still controlled the Bridge River Valley where he lived. Vanderwolf actually helped build...cut it, they said it felt hard, but less so than quartz. We noticed light shining through the edges. It...him at the annual jade festival in nearby Pacific Valley. For a close-up look at Big Sur jade, visit his...the beautiful desert setting of Arizona’s La Posa Valley. • Live on your show spaces or in our on-premises |  | | Journal (article/letter/editorial) | | nepheline (NaAlSiO4 ), albite (NaAlSi3 O8 ), and quartz (SiO2 ). Loring Coes Jr. did synthesize jadeite...nepheline + albite = jadeite and albite = jadeite + quartz awaited the work of Robertson et al. (1957), Birch...of graywacke, as in Sulawesi (formerly Celebes) (de Roever 1955), does not explain jadeite rock—jadeitite...dacitic igneous rocks with dominant albite and quartz), was suggested by Coleman (1961, 1980) in connection...used by the Aztecs in what is now Mexico: piedra de yjada (stone 4.2 Harlow · Tsujimori · Sorensen |  | | Journal (article/letter/editorial) | | associated metapelite from the Chuacús complex (Guatemala Suture Zone): constraints from phase equilibria...Luigi A. Solari3 1 Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria...Departamento de Geología, Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera...Ensenada B.C., Mexico 3 Centro de Geociencias, Universidad Nacional Autónoma de México, Campus Juriquilla...abundant metapelitic rocks in the Chuacús complex (Guatemala Suture Zone) also preserve evidence for high-pressure |  | | Report (volume) | | _____________ ---- __________ ----_-----_____ Guatemala----------------------------------------------...Hornitos mine ______ ;_______________________________ Las Flores deposits _________________________________..._______________________________________________ Las Tablas deposit_____________________________________...____ ----___ 46 46 46 47 47 47 47 47 47 48 Guatemala----------------------------------------------...----- ____ -------------------- ___ ---------___ Guatemala-----------------------------------------------San |  | | Report (issue) | | ;:;;: -;::::--- •...,._ M Maya Mountain$ GUATEMALA -,. - ,� !I-_.. INSTITUTE OF GEOLOGICAL...from the larger areas of Palaeozoic rocks in Guatemala, Honduras and Mexico. A number of travellers and...been correlated with the Santa Rosa Group of Guatemala and has been given the same name. The Santa Rosa...adjoins the Repub lic of Mexico on the north and Guatemala on the west and south. PHYSICAL FEATURES The Maya...Branch (16° 31'N, 88° 51' W) and westwards into Guatemala. Although the Maya Mountains form a separate identifi |  | | Report (issue) | | Fernando Ortega-Gutiérrez Instituto de Geologia Universidad Nacional Auténoma de México, Apartado 70-296 México...Thierry Calmus, Alejandro Carrillo-Chavez, Zoltan de Cserna, Ray Ethington, Gordon Gastil, Roger Griffith...of Mexico sequence) and Cenozoic volcanic rocks (Sierra Madre Occidental and Trans-Mexican Volcanic Belt)...mapped at scales of 1:250,000, and 1:50,000 (see de Cserna, 1989), and an eight-sheet 1:1,000,000 geologic...1980 by Secretaria de Programacién y Presupuesta (SPP), now called Instituto Nacional de Estadistica Geografia |  | | Journal (article/letter/editorial) | | amounts of acmite, chloromelanite — the stone piedra de yjada (stone for the (NaAlFe)Si 12 0 6 — is formed...Robert Leslie in 1952 in Guatemala, close to the serpentine area of Sierra de las Minas. Foshag of the Smithsonian...there. He mentioned green jasper, plasma stone, quartz, etc., but no jade. Actually the green jasper and...calcite, then carborundum, some muscovite, biotite, quartz and silicious organisms. The pieces were first |  | Sato, Ana María, Tickyj, Hugo, Llambías, Eduardo Jorge, Stipp Basei, Miguel Angelo, González, Pablo Diego (2004) Las Matras Block, Central Argentina (37°S-67°W): the Southernmost Cuyania Terrane and its Relationship with the Famatinian Orogeny. Gondwana Research, 7 (4) 1077-1087 doi:10.1016/s1342-937x(05)71085-6 | Journal (article/letter/editorial) | | Association for Gondwana Research, Japan. ISSN: 1342-937X Las Matras Block, Central Argentina (37OS-67”W): the...Diego Gonziilez’ Centro de lnvestigaciones Geolbgicas, CONICET-Universidad Nacional de La Plata, Calle 1 N...ar;gonzapab@cig.museo.unlp.edu.ar Universidad Nacional de La Pampa. Av. Uruguay 151, L6300CLB Santa Rosa, La...htickyj@exactas.unlpam.edu.ar CPGeo, lnstituto de Geocitncias, Universidade de 5’50 Paulo, S i o Paulo S P 05422-970...15,2003; accepted February 9,2004) Abstract The Las Matras Block in Central Argentina constitutes the |  | Gardner, Christopher B., Carey, Anne E., Lyons, W. Berry, Goldsmith, Steven T., McAdams, Brandon C., Trierweiler, Annette M. (2017) Molybdenum, vanadium, and uranium weathering in small mountainous rivers and rivers draining high-standing islands. Geochimica et Cosmochimica Acta, 219. 22-43 doi:10.1016/j.gca.2017.09.012 | Journal (article/letter/editorial) | | group from Dominica (Goldsmith et al., 2010), Guatemala (McAdams et al., 2015; Trierweiler, 2010), New...the ocean. 3.2 Guatemala 128 samples were analyzed from SMRs in the Sierra de Las Minas range in eastern...eastern Guatemala, originally collected to examine the role of landslides in mobilizing carbon in watersheds...and 2nd) streams and tributaries in the Sierra de Las Minas range collected in 2009 and 2012, though...metamorphic San Agustín formation consisting of Paleozoic quartz-monzonite gneiss and schists, Permian shales and |  | Ford, A., Hagemann, S.G., Fogliata, A.S., Miller, J.M., Mol, A., Doyle, P.J. (2015) Porphyry, epithermal, and orogenic gold prospectivity of Argentina. Ore Geology Reviews, 71. 655-672 doi:10.1016/j.oregeorev.2015.05.013 | Journal (article/letter/editorial) | | Northwestern Argentina, Culampajá, Farallón Negro-Bajo de la Alumbrera, El Indio–Pascua, Nevados del Famatina...the classic ore deposit handbook Recursos Minerales de la Republica Argentina (Zappettini, 1999) or a recent...deposits consisting of discordant and concordant quartz veins located in the axis of anticlines and reverse...studied deposits is the Minas Azules deposit which is briefly discussed below. The Minas Azules orogenic gold...gold deposit (Juyuy province) is located in the Sierra de Rinconada which is part of the Puna plateau. The |  | | Journal (article/letter/editorial) | | Sierras de Córdoba, Argentina Alina B. Guereschi ⁎, Roberto D. Martino CONICET and Departamento de Geología...Básica, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba. Av. Vélez...the metamorphic basement of the central eastern Sierra de Comechingones (Sierras Pampeanas of Córdoba, Argentina)...Cambrian (520–530 Ma) in other areas in the Sierras de Córdoba, in which case the first migmatization event...Neoproterozoic. The tectonic evolution of the Sierra de Comechingones would imply the occurrence of extension–shortening |  | | Report (chapter) | | Spindle-shaped pull-apart Active Quaternary Cantil Valley composite pullapart basin; Koehn Lake Basin Clonard...– L. Quaternary Neogene – L. Quaternary San Juan de Villalobos – Yunguillo Basin Siabu Basin Siqueiros...pull-apart Active Active Cenozoic Quaternary Cerro de la Mica Clear Lake Chile USA (California) Atacama... Plio – Quaternary Miocene – Quaternary Death Valley Basin USA (California) 30 Lazy-Z pull-apart...Quaternary Southern Death Valley; Fish Lake Valley– Northern Death Valley – Furnace Creek Alpine Barka |
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